金属镨
praseodymium
Cas号 【7440-10-0】 MDL: --MFCD00011174
Beilstein EINECS: --231-120-3
分子式 Pr
分子量 140.90
别名 Praseodymium Metal
分子结构式
性状 银灰色金属块或黑褐色粉末。有金属光泽,遇空气易氧化,须密封。
熔点:931℃
沸点:3520℃
密度: 6.71
备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准
粉末,99.9% metals basis:
外观Appearance dark grey Powder in oil
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.9% Based on Trace Metals Impurities of ICP
ICP Assay Confirms Praeseodymium component
痕量金属分析total metallic impurities ≤2000ppm by ICP Atomic emission
锭,99.9% metals basis:
外观Appearance dark grey ingot or rod in oil
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.9% Based on Trace Metals Impurities of ICP
ICP Assay Confirms Praeseodymium component
痕量金属分析total metallic impurities ≤2000ppm by ICP Atomic emission
99%
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.0% Based on Trace Metals Impurities of ICP
ICP Assay Confirms Praeseodymium component
痕量金属分析total metallic impurities ≤10000ppm by ICP Atomic emission
贮存 密封充氩保存
用途 主要用于SmPrCo和PrFeB磁性材料。
联合国编号 1383
Risk: R17-
Safety : S17-
Hazard : F -